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Freeze-Dried Mouse Sperm Sent by Postcard Produces Baby Mice
Freeze-Dried Mouse Sperm Sent by Postcard Produces Baby Mice
Rather than relying on samples that need to be shipped in glass vials and on ice, researchers have developed a new method that allows mouse sperm to be sent easily at room temperature using standard mail delivery.
Rather than relying on samples that need to be shipped in glass vials and on ice, researchers have developed a new method that allows mouse sperm to be sent easily at room temperature using standard mail delivery.
sperm storage
Image of the Day: Self-Insemination
Carolyn Wilke | Feb 1, 2019 | 1 min read
Videos reveal how a female squid fertilizes her eggs—one at a time and without spilling much stored sperm.
Scientists Solve Giant Sperm Paradox
Tanya Lewis | May 26, 2016 | 2 min read
A study reveals why some male fruit flies produce sex cells that are 20 times the length of their bodies.
The Hidden Side of Sex
Patricia L.R. Brennan | Jul 1, 2014 | 10+ min read
Sexual selection doesn’t end when females choose a mate. Females and males of many animal species employ an array of tactics to stack the deck in their reproductive favor.
Widening the Fertile Window
Robert Martin | Jul 1, 2013 | 3 min read
Women may be able to store viable sperm for longer than a week, thus contributing to apparent variability in pregnancy lengths.
Contributors
Kate Yandell | Jul 1, 2013 | 3 min read
Meet some of the people featured in the July 2013 issue of The Scientist.
Book Excerpt from How We Do It: The Evolution and Future of Human Reproduction
Robert Martin | Jun 30, 2013 | 5 min read
In Chapter 3, “From Mating to Conception,” author Robert Martin explores the question of why humans and other primates frequently engage in sexual intercourse when females are not fertile.